Kibblewhite Black Diamond Exhaust Valve for Panhead and Shovelhead Models 20-4195 Manufacturer:KIBBLEWHITE PRECISION, Warranty:30 Day Manufacturer's Warranty, Model:Panhead - Shovelhead, Part Type:Exhaust Valve, Compatible Model:Panhead - Shovelhead Brand:KIBBLEWHITE PRECISION, Year:1948-1983, Part Brand:KIBBLEWHITE PRECISION, Country Of Manufacture:United States Manufacturer Part Number:20-4195, Make:Harley Davidson, Surface Finish:Black Diamond Stainless Steel, Compatible Make:Harley Davidson